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llvm-mirror/test/CodeGen/PowerPC/named-reg-alloc-r2.ll
Hal Finkel f6f53bcd51 [PowerPC] Add global named register support
Support for the intrinsics that read from and write to global named registers
is added for r1, r2 and r13 (depending on the subtarget).

llvm-svn: 208509
2014-05-11 19:29:11 +00:00

19 lines
604 B
LLVM

; RUN: not llc < %s -mtriple=powerpc-apple-darwin 2>&1 | FileCheck %s --check-prefix=CHECK-DARWIN
; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu 2>&1 | FileCheck %s
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu 2>&1 | FileCheck %s
define i32 @get_reg() nounwind {
entry:
; FIXME: Include an allocatable-specific error message
; CHECK-DARWIN: Invalid register name global variable
%reg = call i32 @llvm.read_register.i32(metadata !0)
ret i32 %reg
; CHECK-LABEL: @get_reg
; CHECK: mr 3, 2
}
declare i32 @llvm.read_register.i32(metadata) nounwind
!0 = metadata !{metadata !"r2\00"}